Infant mortality rate refers to the number of the children that die:
before the age of one year as a proportion to 1000 live births in that particular year
before the age of ive years as a proportion to 1000 live births in that particular year
before the age of one year as a proportion to 100 live births in that particular year
out of 1000 live births in that particular year
A.
before the age of one year as a proportion to 1000 live births in that particular year